19385590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1699}}^1$

素因数の和:1876

約数の個数: 32

約数和(自身を含む): 40147200

約数和(自身を除く): 20761610

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 163, 326, 815, 1141, 1630, 1699, 2282, 3398, 5705, 8495, 11410, 11893, 16990, 23786, 59465, 118930, 276937, 553874, 1384685, 1938559, 2769370, 3877118, 9692795, 19385590]

約数ペア:

[(1, 19385590), (2, 9692795), (5, 3877118), (7, 2769370), (10, 1938559), (14, 1384685), (35, 553874), (70, 276937), (163, 118930), (326, 59465), (815, 23786), (1141, 16990), (1630, 11893), (1699, 11410), (2282, 8495), (3398, 5705)]